DE102008054637A1 - Hybrid powertrain of a motor vehicle - Google Patents
Hybrid powertrain of a motor vehicle Download PDFInfo
- Publication number
- DE102008054637A1 DE102008054637A1 DE102008054637A DE102008054637A DE102008054637A1 DE 102008054637 A1 DE102008054637 A1 DE 102008054637A1 DE 102008054637 A DE102008054637 A DE 102008054637A DE 102008054637 A DE102008054637 A DE 102008054637A DE 102008054637 A1 DE102008054637 A1 DE 102008054637A1
- Authority
- DE
- Germany
- Prior art keywords
- transmission
- power electronics
- oil pan
- connection
- electric machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
- F16H57/0452—Oil pans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0476—Electric machines and gearing, i.e. joint lubrication or cooling or heating thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2186—Gear casings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2186—Gear casings
- Y10T74/2189—Cooling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
- General Details Of Gearings (AREA)
Abstract
Es wird ein Hybridantriebsstrang eines Kraftfahrzeugs mit einem Getriebe (1), einer dem Getriebe (1) zugeordneten Getriebeölwanne (2), zumindest einer elektrischen Maschine und einer der elektrischen Maschine zugeordneten Leistungselektronik vorgeschlagen. Dabei ist ein Bauraum (3) für die Leistungselektronik vorgesehen, welcher unter der Getriebeölwanne (2) des Getriebes (1) untergebracht ist.It is proposed a hybrid powertrain of a motor vehicle with a transmission (1), a gearbox (1) associated transmission oil pan (2), at least one electric machine and the electric machine associated power electronics. In this case, a space (3) for the power electronics is provided, which is housed under the transmission oil pan (2) of the transmission (1).
Description
Die vorliegende Erfindung bezieht sich auf einen Hybridantriebsstrang eines Kraftfahrzeugs gemäß dem Oberbegriff des Patentanspruchs 1.The The present invention relates to a hybrid powertrain of a motor vehicle according to the preamble of Patent claim 1.
Bei Hybridfahrzeugen ist in den Antriebsstrang mindestens eine elektrische Maschine integriert, welche über eine entsprechende Leistungselektronik, die einen Wechselrichter umfasst, angesteuert wird.at Hybrid vehicles is in the powertrain at least one electric Integrated machine, which has a corresponding power electronics, which includes an inverter is driven.
Aus dem Stand der Technik ist bekannt, die Leistungselektronik außerhalb des Getriebes in einem separaten Gehäuse im Fahrzeug anzuordnen und mit einem drei- oder mehrphasigen Kabel mit der elektrischen Maschine zu verbinden.Out the prior art is known, the power electronics outside to arrange the transmission in a separate housing in the vehicle and with a three or more phase cable with the electric machine connect to.
Ferner sind auch Lösungen bekannt, bei denen die Leistungselektronik in den Antriebsstrang bzw. in das Getriebe integriert ist.Further Solutions are also known in which the power electronics is integrated in the drive train or in the transmission.
Beispielsweise
ist aus der
Aus
der
Hierbei ist zur Steuerung bzw. Regelung der zumindest einen elektrischen Maschine eine elektrische Steuer-/Regeleinrichtung vorgesehen, die in einem radialen Außenbereich des glockenartigen Gehäuseabschnitts angeordnet ist und zwar derart, dass sich die Steuer-/Regeleinrichtung nur über einen Teilumfang des glockenartigen Gehäuseabschnitts erstreckt.in this connection is for controlling the at least one electrical Machine provided an electrical control / regulating device, the in a radial outer region of the bell-shaped housing section is arranged in such a way that the control / regulating device only over a partial circumference of the bell-shaped housing section extends.
Die
aus der
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, einen Hybridantriebsstrang eines Kraftfahrzeugs mit einer Anordnung der Leistungselektronik der zumindest einen elektrischen Maschine in der Nähe der elektrischen Maschine anzugeben, welche eine Wartung bzw. einen Austausch der Komponenten der Leistungselektronik mit geringem Aufwand ermöglicht und bauraumneutral ist.Of the The present invention is based on the object, a hybrid powertrain a motor vehicle with an arrangement of the power electronics the at least one electric machine near the specify electrical machine, which a maintenance or a Replacement of the components of the power electronics with little effort possible and space is neutral.
Diese Aufgabe wird durch die Merkmale des Patentanspruchs 1 gelöst. Weitere erfindungsgemäße Ausgestaltungen und Vorteile gehen aus den Unteransprüchen hervor.These The object is solved by the features of claim 1. Further embodiments and advantages of the invention are apparent from the dependent claims.
Demnach wird ein Hybridantriebsstrang eines Kraftfahrzeugs mit einem Getriebe, einer dem Getriebe zugeordneten Getriebeölwanne, zumindest einer elektrischen Maschine und einer der elektrischen Maschine zugeordneten Leis tungselektronik vorgeschlagen, wobei ein Bauraum für die Leistungselektronik vorgesehen ist, welcher unter der Getriebeölwanne untergebracht ist.Therefore is a hybrid powertrain of a motor vehicle with a transmission, a transmission oil pan associated with the transmission, at least one electric machine and one of the electrical machine associated Leis proposed electronics, with a space for the power electronics is provided, which under the transmission oil pan is housed.
Hierbei weisen die Leistungselektronik-Baugruppen vorzugsweise eine geringe Bauhöhe auf, um die Bodenfreiheit des Fahrzeugs nicht zu beeinträchtigen. Gemäß einer Weiterbildung der Erfindung kann der Bauraum für die Leistungselektronik auch Teil der Getriebeölwanne sein.in this connection the power electronics modules preferably have a low Build height to not allow the ground clearance of the vehicle affect. According to a development The invention, the space for the power electronics also be part of the transmission sump.
Gemäß einer besonders vorteilhaften Ausführungsform der Erfindung ist der Bereich zwischen der Getriebeölwanne und der Leistungselektronik thermisch gut leitfähig ausgebildet, was in dem Vorteil resultiert, dass keine Maßnahmen zur Gewährleistung der Kühlung der Leistungselektronik, beispielsweise ein weiterer Kühlkreislauf mit Wärmetauscher und Kühlmittelverrohrung erforderlich sind.According to one particularly advantageous embodiment of the invention the area between the transmission oil pan and the power electronics thermally well-conductive, resulting in the advantage that no measures to ensure cooling the power electronics, for example, another cooling circuit with heat exchanger and coolant piping required are.
Als elektrische Anschlüsse sind eine mehrphasige Verbindung zur elektrischen Maschine, der Leistungsanschluss zum DC-Zwischenkreis und/oder eine Datenverbindung nach außen, beispielsweise zu einem Bus-System vorgesehen, wobei die mehrphasige Verbindung zur elektrischen Maschine gemäß der Erfindung getriebeintern über vorgefertigte Formteile realisiert werden kann. Ferner kann für den Leistungsanschluss zum DC-Zwischenkreis und für die Datenverbindung nach außen an geeigneter Stelle am Getriebe eine entsprechende Verbindung vorgesehen sein; beispielsweise können diese Verbindungen mittels eines Kabels und eines Steckers oder mittels eines direkt am Getriebegehäuse vorgesehenen Steckers realisiert werden.When electrical connections are a multi-phase connection to the electrical machine, the power connection to the DC link and / or a data connection to the outside, for example to a Bus system provided, with the multi-phase connection to the electrical Machine according to the invention via the transmission prefabricated moldings can be realized. Furthermore, for the power connection to the DC link and for the Data connection to the outside at a suitable location on the gearbox a corresponding connection may be provided; for example, these can Connections by means of a cable and a plug or by means implemented a provided directly on the gear housing plug become.
Durch die erfindungsgemäße Konzeption des Hybridantriebsstrangs mit der Anordnung der Leistungselektronik unter bzw. in der Getriebeölwanne in unmittelbarer Nähe zur elektrischen Maschine wird zum Einen eine extrem kurze Verbindung zwischen E-Maschine und Leistungselektronik erzielt, was auch hinsichtlich der elektromagnetischen Verträglichkeit vorteilhaft ist. Zum Anderen entfallen Verbindungskabel, was zu einer deutlichen Vereinfachung des Systems umfassend die elektrische Maschine und die Leistungselektronik führt. Durch die Integration von vorgefertigten Teilen zur Herstellung der mehrphasigen Verbindung zur elektrischen Maschine in das Getriebegehäuse und in das Getriebe wird die Montage vereinfacht, die Teilezahl reduziert und die Montagezeit signifikant verkürzt.By the conception according to the invention the hybrid powertrain with the arrangement of the power electronics under or in the transmission oil pan in the immediate vicinity of the electric machine is on the one hand achieved an extremely short connection between the electric motor and power electronics, which is also advantageous in terms of electromagnetic compatibility. On the other hand eliminates connection cable, resulting in a significant simplification of the system comprising the electrical machine and the power electronics. The integration of prefabricated parts for producing the multi-phase connection to the electric machine in the transmission housing and in the transmission assembly is simplified, reduces the number of parts and significantly reduces assembly time.
Ein weiterer Vorteil der erfindungsgemäßen Konzeption besteht darin, dass durch die bauraumneutrale Anordnung der Leistungselektronik kein zusätzlicher Bauraum benötigt wird. Dies führt dazu, dass ein hybridisiertes Getriebe gemäß der Erfindung als Ausstattungsvariante eines Fahrzeugs mit Getriebe ohne Hybridantrieb eingebaut werden kann, ohne dabei im Fahrzeug Änderungen an der Struktur des Getriebetunnels, der Länge des Antriebsstrangs und an den Flanschverbindungen zum Verbrennungsmotor und zur Kardanwelle vorsehen zu müssen.One Another advantage of the concept of the invention is that due to the space-neutral arrangement of the power electronics no additional space is needed. This causes a hybridized transmission according to the Invention as equipment variant of a vehicle with transmission can be installed without hybrid drive, without changing the vehicle at the structure of the transmission tunnel, the length of the powertrain and at the flange connections to the combustion engine and to the cardan shaft to have to provide.
Ferner steht durch die Anordnung der Leistungselektronik unter der Getriebeölwanne mit dem Getriebeöl ein Kühlmedium zur Verfügung, welches in vorteilhafter Weise auch für die Kühlung der Leistungselektronik eingesetzt werden kann, so dass kein zusätzlicher Aufwand für die Kühlung der Leistungselektronik erforderlich ist.Further stands by the arrangement of the power electronics under the transmission oil pan with the gear oil, a cooling medium available, which is also advantageous for cooling The power electronics can be used, so no additional Effort for cooling the power electronics is required.
Hierbei kann unter bestimmten Betriebsbedingungen, beispielsweise bei einem Kaltstart, die Verlustleistung der Leistungselektronik zum Heizen des Getriebeölkreislaufes genutzt werden, um diesen auf die Betriebstemperatur zu bringen bzw. zu halten. Dies ist besonders vorteilhaft, wenn die elektrische Maschine in Schwachlastphasen des Verbrennungsmotors diesen komplett ersetzen soll.in this connection can under certain operating conditions, for example at a Cold start, the power loss of the power electronics for heating the Transmission oil circuit can be used to this on the To bring operating temperature or keep. This is special advantageous when the electric machine in light load phases of the internal combustion engine to replace it completely.
Die Erfindung wird im folgenden anhand der beigefügten Figur, welche eine schematische Darstellung eines Getriebes ist, bei dem der Bauraum für die Leistungselektronik unter der Getrebeölwanne untergebracht ist, beispielhaft näher erläutert.The Invention will be described below with reference to the attached FIGURE, which is a schematic representation of a transmission in which the installation space for the power electronics is housed under the grain oil sump is explained in more detail by way of example.
In
der beigefügten Figur ist mit
- 11
- Getriebetransmission
- 22
- GetriebeölwanneTransmission oil pan
- 33
- Bauraum für die Leistungselektronikspace for the power electronics
- 44
- Getriebeglocketransmission bell
- 55
- Flanschflange
- 66
-
Bereich
zwischen der Getriebeölwanne
2 und dem Bauraum3 für die LeistungselektronikArea between the transmission oil pan2 and the installation space3 for the power electronics
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 102004048908 A1 [0005, 0008] - DE 102004048908 A1 [0005, 0008]
- - DE 102006005095 A1 [0006, 0008] - DE 102006005095 A1 [0006, 0008]
Claims (6)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008054637A DE102008054637A1 (en) | 2008-12-15 | 2008-12-15 | Hybrid powertrain of a motor vehicle |
US12/631,187 US20100147105A1 (en) | 2008-12-15 | 2009-12-04 | Hybrid drive train of a motor vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008054637A DE102008054637A1 (en) | 2008-12-15 | 2008-12-15 | Hybrid powertrain of a motor vehicle |
Publications (1)
Publication Number | Publication Date |
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DE102008054637A1 true DE102008054637A1 (en) | 2010-06-17 |
Family
ID=42168311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DE102008054637A Ceased DE102008054637A1 (en) | 2008-12-15 | 2008-12-15 | Hybrid powertrain of a motor vehicle |
Country Status (2)
Country | Link |
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US (1) | US20100147105A1 (en) |
DE (1) | DE102008054637A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102013214311A1 (en) * | 2013-07-22 | 2015-01-22 | Zf Friedrichshafen Ag | Charging device for charging a battery of a vehicle |
WO2015051967A1 (en) * | 2013-10-11 | 2015-04-16 | Zf Friedrichshafen Ag | Sump and assembly comprising such a sump |
WO2018033346A1 (en) * | 2016-08-16 | 2018-02-22 | Zf Friedrichshafen Ag | Transmission for a motor vehicle |
WO2018108497A1 (en) * | 2016-12-16 | 2018-06-21 | Zf Friedrichshafen Ag | Power electronics assembly |
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CN109563921A (en) * | 2016-08-16 | 2019-04-02 | 腓特烈斯港齿轮工厂股份公司 | Speed changer for motor vehicle |
US10647191B2 (en) | 2016-08-16 | 2020-05-12 | Zf Friedrichschafen Ag | Transmission for a motor vehicle |
CN109563921B (en) * | 2016-08-16 | 2022-06-28 | 腓特烈斯港齿轮工厂股份公司 | Transmission for a motor vehicle |
KR102465093B1 (en) * | 2016-08-16 | 2022-11-10 | 젯트에프 프리드리히스하펜 아게 | automotive gearbox |
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